Example usage for com.google.common.collect Iterables tryFind

List of usage examples for com.google.common.collect Iterables tryFind

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Introduction

In this page you can find the example usage for com.google.common.collect Iterables tryFind.

Prototype

public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<? super T> predicate)

Source Link

Document

Returns an Optional containing the first element in iterable that satisfies the given predicate, if such an element exists.

Usage

From source file:com.atlassian.jira.license.DefaultLicenseRoleManager.java

@Nonnull
@Override//from  w  ww. j  a v  a  2  s  . c  o  m
public Optional<LicenseRoleDefinition> getLicenseRoleDefinition(@Nonnull final LicenseRoleId licenseRoleId) {
    Assertions.notNull("licenseRoleId", licenseRoleId);

    return Iterables.tryFind(getDefinedLicenseRoles(), findId(licenseRoleId));
}

From source file:org.apache.drill.exec.store.easy.text.compliant.CompliantTextRecordReader.java

@Override
public boolean isStarQuery() {
    if (settings.isUseRepeatedVarChar()) {
        return super.isStarQuery() || Iterables.tryFind(getColumns(), new Predicate<SchemaPath>() {
            @Override/*from  www.  j  a va2s  . c o m*/
            public boolean apply(@Nullable SchemaPath path) {
                return path.equals(RepeatedVarCharOutput.COLUMNS);
            }
        }).isPresent();
    }
    return super.isStarQuery();
}

From source file:org.jclouds.cloudservers.compute.predicates.GetImageWhenStatusActivePredicateWithResult.java

private org.jclouds.cloudservers.domain.Image findImage(final int id) {
    return Iterables.tryFind(client.listImages(new ListOptions().withDetails()),
            new Predicate<org.jclouds.cloudservers.domain.Image>() {
                @Override//from   www  . ja v a2 s  . com
                public boolean apply(org.jclouds.cloudservers.domain.Image input) {
                    return input.getId() == id;
                }
            }).orNull();

}

From source file:org.isisaddons.wicket.gmap3.cpt.ui.CollectionOfEntitiesAsLocatables.java

private void buildGui() {

    final EntityCollectionModel model = getModel();
    final List<ObjectAdapter> adapterList = model.getObject();

    final Optional<ObjectAdapter> firstIfAny = Iterables.tryFind(adapterList, input -> {
        GLatLng latLng = asGLatLng((Locatable) input.getObject());
        return latLng != null;
    });/*from w  ww.j  av  a 2s  .  com*/

    final boolean visible = firstIfAny.isPresent();

    final GMap map = new GMap(ID_MAP, apiKey) {
        @Override
        protected void onComponentTag(final ComponentTag tag) {
            super.onComponentTag(tag);
            if (!visible) {
                final AttributeModifier modifier = new AttributeAppender("class", " " + INVISIBLE_CLASS);
                tag.addBehavior(modifier);
            }
        }
    };
    map.setStreetViewControlEnabled(true);
    map.setScaleControlEnabled(true);
    map.setPanControlEnabled(true);
    map.setDoubleClickZoomEnabled(true);

    if (firstIfAny.isPresent()) {

        // centre the map on the first object that has a location.
        final ObjectAdapter first = firstIfAny.get();
        map.setCenter(asGLatLng((Locatable) first.getObject()));
    }

    addOrReplace(map);

    addMarkers(map, adapterList);
}

From source file:org.ow2.petals.cloud.manager.openstack.OpenStackProviderManager.java

public Node createNode(final Provider provider, final Node node) throws CloudManagerException {
    logger.debug("Creating node on provider {} :{}", provider, node);

    Nova client = getClient(provider);//from   w  ww .  jav  a  2 s . c o  m
    checkNotNull(client, "Can not create client with the provider information");

    Images images = client.images().list(false).execute();
    Image image = Iterables.tryFind(images, new Predicate<Image>() {
        public boolean apply(com.woorea.openstack.nova.model.Image image) {
            return image.getName().toLowerCase().contains(node.getVm().getImage());
        }
    }).orNull();

    if (image == null) {
        throw new CloudManagerException("No valid image found");
    }

    final String flavorName = null;
    Flavors flavors = client.flavors().list(true).execute();
    if (flavors.getList().size() == 0) {
        throw new CloudManagerException("Can not find any flavor on the provider");

    }
    Flavor flavor = Iterables.tryFind(flavors, new Predicate<Flavor>() {
        public boolean apply(com.woorea.openstack.nova.model.Flavor flavor) {
            return flavor.getName().equals(flavorName);
        }
    }).or(flavors.getList().get(0));

    ServerForCreate create = new ServerForCreate();
    create.setName(node.getName());

    // TODO : Get key from context
    if (getProperty(node, "iaas.key") != null) {
        create.setKeyName((getProperty(node, "iaas.key")).getValue());
    } else {
        Property p = getProperty(provider.getProperties(), "iaas.key");
        if (p != null) {
            create.setKeyName(p.getValue());
        }
    }

    if (create.getKeyName() == null) {
        logger.warn("Attempting to create a node without a security key...");
    } else {
        logger.info("Key name " + create.getKeyName());
    }

    create.setFlavorRef(flavor.getId());
    create.setImageRef(image.getId());
    Map<String, String> meta = Maps.newHashMap();

    // add all the properties from the input node, will be used if needed...
    meta.putAll(hasMap(node.getProperties()));
    meta.putAll(hasMap(provider.getProperties()));
    create.setMetadata(meta);

    Server server = client.servers().boot(create).execute();

    if (logger.isInfoEnabled()) {
        logger.info("Openstack create server API call returned : " + server);
    }
    return Adapter.to(server);
}

From source file:org.ow2.play.governance.platform.user.service.PermissionCheck.java

@Override
public boolean checkResource(final String user, final String resource) {

    Set<String> groups = getGroupsForResource(resource);
    Optional<String> ok = Iterables.tryFind(groups, new Predicate<String>() {
        public boolean apply(String group) {
            return checkGroup(user, group);
        };//from  w  ww . j  ava  2 s . co  m
    });
    return ok.isPresent();
}

From source file:com.nirima.jenkins.repo.util.HudsonWalker.java

/**
 * visit project chain, from current through parents.
 * @param visitor// ww w. j  a v  a2s .  c  om
 * @param run
 */
public static void traverseChain(HudsonVisitor visitor, Run run) {
    if (run == null)
        return;

    traverse(visitor, run);

    RepositoryAction repositoryAction = run.getAction(RepositoryAction.class);

    if (repositoryAction != null) {
        if (repositoryAction instanceof ProjectRepositoryAction) {
            final ProjectRepositoryAction projectRepositoryAction = (ProjectRepositoryAction) repositoryAction;

            AbstractProject item = (AbstractProject) Hudson.getInstance()
                    .getItem(projectRepositoryAction.getProjectName());

            Optional<Run> r = Iterables.tryFind(item.getBuilds(), new Predicate<Run>() {
                public boolean apply(Run run) {
                    return run.getNumber() == projectRepositoryAction.getBuildNumber();
                }
            });

            if (r.isPresent())
                traverseChain(visitor, r.get());
        }
    }

}

From source file:pt.ist.maidSyncher.domain.activeCollab.ACMilestone.java

public static ACMilestone findMilestone(final pt.ist.maidSyncher.domain.activeCollab.ACProject acProject,
        final String milestoneName) {
    return (ACMilestone) Iterables.tryFind(MaidRoot.getInstance().getAcObjectsSet(), new Predicate<ACObject>() {
        @Override//from w  ww .  j  av  a  2s  . co  m
        public boolean apply(ACObject input) {
            if (input == null)
                return false;
            if (input instanceof ACMilestone) {
                ACMilestone acMilestone = (ACMilestone) input;
                return ObjectUtils.equals(acMilestone.getProject(), acProject)
                        && (StringUtils.equalsIgnoreCase(acMilestone.getName(), milestoneName));
            }
            return false;
        }
    }).orNull();

}

From source file:org.gradle.internal.component.AmbiguousConfigurationSelectionException.java

static void formatConfiguration(StringBuilder sb, AttributeContainer fromConfigurationAttributes,
        AttributesSchema consumerSchema, List<ConfigurationMetadata> matches, Set<String> requestedAttributes,
        int maxConfLength, final String conf) {
    Optional<ConfigurationMetadata> match = Iterables.tryFind(matches, new Predicate<ConfigurationMetadata>() {
        @Override//from w w  w.j av  a 2s .co  m
        public boolean apply(ConfigurationMetadata input) {
            return conf.equals(input.getName());
        }
    });
    if (match.isPresent()) {
        AttributeContainer producerAttributes = match.get().getAttributes();
        Set<Attribute<?>> targetAttributes = producerAttributes.keySet();
        Set<String> targetAttributeNames = Sets
                .newTreeSet(Iterables.transform(targetAttributes, ATTRIBUTE_NAME));
        Set<Attribute<?>> allAttributes = Sets.union(fromConfigurationAttributes.keySet(),
                producerAttributes.keySet());
        Set<String> commonAttributes = Sets.intersection(requestedAttributes, targetAttributeNames);
        Set<String> consumerOnlyAttributes = Sets.difference(requestedAttributes, targetAttributeNames);
        sb.append("   ").append("- Configuration '").append(StringUtils.rightPad(conf + "'", maxConfLength + 1))
                .append(" :");
        List<Attribute<?>> sortedAttributes = Ordering.usingToString().sortedCopy(allAttributes);
        List<String> values = new ArrayList<String>(sortedAttributes.size());
        formatAttributes(sb, fromConfigurationAttributes, consumerSchema, producerAttributes, commonAttributes,
                consumerOnlyAttributes, sortedAttributes, values);
    }
}

From source file:org.killbill.billing.payment.core.sm.RetryablePaymentStateContext.java

public PaymentTransaction getCurrentTransaction() {
    if (result == null || result.getTransactions() == null) {
        return null;
    }//from   www.  j  a  v  a  2  s .  com
    return Iterables.tryFind(result.getTransactions(), new Predicate<PaymentTransaction>() {
        @Override
        public boolean apply(final PaymentTransaction input) {
            return ((DefaultPaymentTransaction) input).getAttemptId().equals(attemptId);
        }
    }).orNull();
}